Tools & Wizards About Us
iso-n.ru screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

iso-n.ru

Главная - Система видеонаблюдения Айсон. Готовый комплект камер ✔Система видеонаблюдения Айсон. Готовый комплект камер ✔

Page Load Speed

11.4 sec in total

First Response

933 ms

Resources Loaded

9 sec

Page Rendered

1.5 sec

iso-n.ru screenshot

About Website

Click here to check amazing Iso N content for Russia. Otherwise, check out these important facts you probably never knew about iso-n.ru

Система видеонаблюдения ISON PRO S. ISON PRO S это полностью готовая система видеонаблюдения для дома, дачи, бизнеса! Камеры видеонаблюдения 2 мегапикселя

Visit iso-n.ru

Key Findings

We analyzed Iso-n.ru page load time and found that the first response time was 933 ms and then it took 10.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

iso-n.ru performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value26.4 s

0/100

25%

SI (Speed Index)

Value24.0 s

0/100

10%

TBT (Total Blocking Time)

Value19,760 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value57.9 s

0/100

10%

Network Requests Diagram

www.iso-n.ru

933 ms

47am0.css

144 ms

47am0.js

424 ms

platform.js

20 ms

es5-shims.min.js

590 ms

Our browser made a total of 235 requests to load all elements on the main page. We found that 23% of them (54 requests) were addressed to the original Iso-n.ru, 20% (48 requests) were made to St6-21.vk.com and 12% (29 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Iso-n.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 654.7 kB (10%)

Content Size

6.5 MB

After Optimization

5.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iso-n.ru main page is 6.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 167.4 kB

  • Original 207.4 kB
  • After minification 207.0 kB
  • After compression 40.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 167.4 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 76.0 kB

  • Original 2.9 MB
  • After minification 2.9 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Iso N images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 338.2 kB

  • Original 2.7 MB
  • After minification 2.7 MB
  • After compression 2.4 MB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 338.2 kB or 12% of the original size.

CSS Optimization

-12%

Potential reduce by 73.1 kB

  • Original 613.4 kB
  • After minification 613.4 kB
  • After compression 540.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Iso-n.ru needs all CSS files to be minified and compressed as it can save up to 73.1 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 114 (51%)

Requests Now

225

After Optimization

111

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 225 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iso N. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 72 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.iso-n.ru

www.iso-n.ru

933 ms

47am0.css

47am0.css

144 ms

47am0.js

47am0.js

424 ms

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platform.js

20 ms

es5-shims.min.js

es5-shims.min.js

590 ms

share.js

share.js

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Accessibility Review

iso-n.ru accessibility score

87

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Best Practices

iso-n.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

iso-n.ru SEO score

64

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iso-n.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Iso-n.ru main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

iso-n.ru

Open Graph data is detected on the main page of Iso N. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: